Home / 11,986.47-17,955.96-5,652.67

Finding the Fourth Proportional to 11,986.47, 17,955.96 and 5,652.67

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Solution

The fourth proportional to 11,986.47, 17,955.96 and 5,652.67 is: 8,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.47 : 17,955.96 = 5,652.67 : x
  2. Step 2: Convert to fraction form
    11,986.47/17,955.96 = 5,652.67/x
  3. Step 3: Cross multiply
    11,986.47x = 17,955.96 × 5,652.67
  4. Step 4: Simplify right side
    11,986.47x = 101,499,116.41
  5. Step 5: Solve for x
    x = 101,499,116.41/11,986.47
  6. Step 6: Final answer
    x = 8,467.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.